try going to the parts store and buying a chilton manual for the make and model of your vehicle. It has diagrams and step by step instructions. It will cost somewhere around 30 dollars of so and if you ever need to fix any other part of the same vehicle you will have it at your fingertips.
Your 1991 Mercury fuel pump relay switch is located on the firewall of the engine compartment. The relay switch will be near the center of the firewall.
On a 1999 Mercury Cougar : The fuel pump relay is in the Power Distribution Box ( which is " live " ) located in the engine compartment ( it is relay R1 and is one of the black relays )
The 1994 Mercury Cougar 4.6 liter engine fuel pump relay switch can be found on the firewall in the engine compartment. The fuel pump relay switch will be on the passenger side of the firewall.
relay R1 is for the fuel pump on a 1999 Mercury Cougar
The flasher relay switch on a 1999 Mercury Cougar is typically located under the dashboard, near the steering column. It can often be found in the fuse box area or mounted directly to the dashboard frame. To access it, you may need to remove a panel or cover. Refer to the vehicle's manual for precise location and identification.
it is on the firewall and difficult but not impossible to get to and replace.
In the relay box with all the other relays.
For a 1999 Mercury Cougar : In the Power Distribution Box ( which is " live " ) located in the engine compartment ( on the drivers side of the engine compartment ) ( relay R1 is the fuel pump relay )
It's located in the IRCM (Integrated Relay Control Module) just in front of the air filter, front of the car, passenger side. cannot locate the ircm there
The 1996 Mercury cooling fan relay switch is on the back of the cooling fan motor. The relay switch should be labeled as such.
On a 1999 Mercury Cougar : The starter relay is in the power distribution box ( which is " live " ) located in the engine compartment on the drivers side Relay ( R7 is the starter relay , green color ) You can view the 1999 Mercury Cougar owners manual online at : www . motorcraft service . com ( no spaces ) Click on Owner Guides ( the power distribution box diagram is on page 153 )
Relay R1 is located in the power distribution box ( which is " live " ) The power distribution box is located in the engine compartment on the drivers side in a 1999 Mercury Cougar